# MiniMax-M2.1 vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 41.5 to 38.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/minimax-m2-1-vs-solar-pro4
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. MiniMax-M2.1 scores higher in 5 categories and Solar Pro4 in 3 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Solar Pro4 leads 27.3 to 15.8.
- Both cost about the same: $0.30 input and $1.20 output per million tokens.
- Solar Pro4 accepts more context: 524K tokens versus 205K.
- MiniMax-M2.1 has downloadable open weights; the other is API-only.

## Snapshot

| | MiniMax-M2.1 | Solar Pro4 |
|---|---|---|
| Provider | MiniMax | Upstage |
| Noometry Index | 38.4 | 41.5 |
| Rank | 177 | 123 |
| Context | 205K | 524K |
| Input $/M | $0.30 | $0.30 |
| Output $/M | $1.20 | $1.20 |
| Weights | Open | Proprietary |

## Coding

- MiniMax-M2.1: 40.1 (#132)
- Solar Pro4: 39.9 (#135)

| Benchmark | MiniMax-M2.1 | Solar Pro4 |
|---|---|---|
| LMArena WebDev | 1384 | 1371 |
| LMArena Coding | 1421 | 1439 |
| ALE-Bench | 623.83 | — |

## Agentic & Tool Use

- MiniMax-M2.1: 27.7 (#91)
- Solar Pro4: —

| Benchmark | MiniMax-M2.1 | Solar Pro4 |
|---|---|---|
| Terminal-Bench | 36.6% | — |

## Reasoning

- MiniMax-M2.1: 15.8 (#301)
- Solar Pro4: 27.3 (#107)

| Benchmark | MiniMax-M2.1 | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1410 | 1398 |
| NYT Connections (extended) | 11.2% | — |

## Math

- MiniMax-M2.1: 35.6 (#142)
- Solar Pro4: 36.1 (#129)

| Benchmark | MiniMax-M2.1 | Solar Pro4 |
|---|---|---|
| LMArena Math | 1396 | 1418 |

## Knowledge

- MiniMax-M2.1: 37.7 (#143)
- Solar Pro4: 39.0 (#128)

| Benchmark | MiniMax-M2.1 | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1432 | 1421 |
| Vectara Hallucination Rate | 11.8% | — |

## Multilingual

- MiniMax-M2.1: 50.2 (#123)
- Solar Pro4: 49.0 (#134)

| Benchmark | MiniMax-M2.1 | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1378 | 1362 |
| LMArena Chinese | 1430 | 1417 |
| LMArena French | 1405 | 1403 |
| LMArena German | 1380 | 1351 |
| LMArena Japanese | 1287 | 1300 |
| LMArena Korean | 1297 | 1383 |
| LMArena Russian | 1386 | 1360 |
| LMArena Spanish | 1396 | 1408 |

## Instruction Following

- MiniMax-M2.1: 74.0 (#108)
- Solar Pro4: 72.8 (#128)

| Benchmark | MiniMax-M2.1 | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1399 | 1376 |

## Long Context

- MiniMax-M2.1: 43.2 (#98)
- Solar Pro4: 42.0 (#125)

| Benchmark | MiniMax-M2.1 | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1416 | 1379 |

## Writing & Preference

- MiniMax-M2.1: 58.5 (#114)
- Solar Pro4: 56.7 (#133)

| Benchmark | MiniMax-M2.1 | Solar Pro4 |
|---|---|---|
| LMArena Text | 1392 | 1386 |
| LMArena Creative Writing | 1362 | 1313 |
| LMArena Multi-Turn | 1396 | 1391 |

## FAQ

### Is MiniMax-M2.1 better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 41.5 to 38.4 on the Noometry Index.

### Which is cheaper, MiniMax-M2.1 or Solar Pro4?

Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; MiniMax-M2.1 lists at $0.30 and $1.20.

### Is MiniMax-M2.1 or Solar Pro4 better for coding?

They score almost the same on coding (40.1 vs 39.9); test both on your own repository before choosing.

### Which has the bigger context window?

Solar Pro4 does, with 524K tokens against 205K.

### How many benchmarks do MiniMax-M2.1 and Solar Pro4 share?

18 benchmarks have published results for both models. MiniMax-M2.1 has 22 scored results on Noometry and Solar Pro4 has 18.